Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/89ca110db6988b58261930eb9811336f.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 vinyl benzene例句_vinyl benzene英汉例句_vinyl benzene双解例句_食材铺反向词典
The main distyryl benzene fluorescent brighteners and the synthetic procedures for the representative products are reviewed. 摘要综述了二苯乙烯基苯类荧光增白剂的主要品种及一些代表品种的合成工艺。